4580556 has 12 divisors (see below), whose sum is σ = 10687992. Its totient is φ = 1526848.

The previous prime is 4580549. The next prime is 4580557. The reversal of 4580556 is 6550854.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4580557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190845 + ... + 190868.

It is an arithmetic number, because the mean of its divisors is an integer number (890666).

Almost surely, 2^4580556 is an apocalyptic number.

It is an amenable number.

4580556 is an abundant number, since it is smaller than the sum of its proper divisors (6107436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4580556 is a wasteful number, since it uses less digits than its factorization.

4580556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381720 (or 381718 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 4580556 is about 2140.2233528303. The cubic root of 4580556 is about 166.0756900679.

It can be divided in two parts, 45 and 80556, that added together give a triangular number (80601 = T₄₀₁).

The spelling of 4580556 in words is "four million, five hundred eighty thousand, five hundred fifty-six".